Master Cylinder Replacement

Master Cylinder Replacement

Removal Procedure





1. Apply the park brake and block the wheels.
2. Disconnect the brake pipes from the brake master cylinder.

Important: Install a rubber cap or plug to the exposed brake pipe fitting ends in order to prevent brake fluid loss and contamination.

3. Plug the open brake pipe ends.





4. Remove the master cylinder mounting nuts.
5. Remove the master cylinder from the vehicle.
6. Drain the master cylinder reservoir of all brake fluid.

Installation Procedure





1. Bench bleed the master cylinder.
2. Install the master cylinder to the brake booster (hydraulic booster shown).

Notice: Refer to Fastener Notice in Service Precautions.

3. Install the master cylinder mounting nuts.
Tighten the master cylinder mounting nuts to 36 Nm (27 ft. lbs.).





4. Remove the plugs from the brake pipes.
5. Connect the brake pipes to the brake master cylinder.
Tighten the brake pipe fittings to 30 Nm (22 ft. lbs.).
6. Bleed the hydraulic brake system.
7. Release the park brake and remove the wheel blocks.